Two vertical forces are applied to a simply supported beam, having the cross section shown. Assume LAB=LCD=1.9 m, Loc=5.4 m, P= kN, b=190 mm, t-13 mm, tw-8 mm, d=158 mm. Determine the maximum tension (a positive number) and compression (a negative number) bending stresses produced in segment BC of the beam. Answers: OmaxT = OmaxC = LAB i i LBC bf HI Cross section MPa MPa P LCD

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Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.